What is CVE-2022-48831?

CVE-2022-48831 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.13 onward and patched in 5.15.24, 5.16.10 and 5.17. CVE-2022-48831 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48831?

CVE-2022-48831 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-48831?

Yes, CVE-2022-48831 has been patched. Fixed versions include 5.15.24, 5.16.10 and 5.17. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48831 actively exploited?

CVE-2022-48831 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-48831

Medium

In the Linux kernel, the following vulnerability has been resolved: ima: fix reference leak in asymmetric_verify() Don't leak a reference to the key if its algorithm is unknown.

Package Linux Kernel

Published 2024-07-16

Last modified 2025-09-25

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 5.13 and later are affected. Fixed in 5.15.24, 5.16.10, 5.17 and their respective stable series.

Affected from

≥ 5.13

Fixed in

✓ 5.15.24 5.15.x ✓ 5.16.10 5.16.x ✓ 5.17

References

3 total

Kernel Git
https://git.kernel.org/stable/c/0838d6d68182f0b28a5434bc6d50727c4757e35b

Patch
Kernel Git
https://git.kernel.org/stable/c/89f586d3398f4cc0432ed870949dffb702940754

Patch
Kernel Git
https://git.kernel.org/stable/c/926fd9f23b27ca6587492c3f58f4c7f4cd01dad5

Patch

Details

CVE ID CVE-2022-48831

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-16

Modified 2025-09-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48831?

CVE-2022-48831 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.13 onward and has been patched in 5.15.24, 5.16.10 and 5.17. CVE-2022-48831 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48831?

CVE-2022-48831 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-48831?

Yes. CVE-2022-48831 has been patched. Fixed versions include 5.15.24, 5.16.10 and 5.17. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48831 actively exploited?

No. CVE-2022-48831 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.